Remote Code Execution and DoS Vulnerability in Cisco FXOS and NX-OS Software
CVE-2018-0308
9.8CRITICAL
Summary
A vulnerability within the Cisco Fabric Services of Cisco FXOS and NX-OS Software enables an unauthenticated remote attacker to exploit insufficient validation of header values in Cisco Fabric Services packets. By sending a specifically crafted packet, an attacker could trigger a buffer overflow, potentially leading to arbitrary code execution or a denial of service condition on the affected devices. This vulnerability affects multiple Cisco devices configured to use Cisco Fabric Services, including various models of Firepower, MDS, and Nexus switches.
Affected Version(s)
Cisco FXOS and NX-OS unknown Cisco FXOS and NX-OS unknown
References
CVSS V3.1
Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved